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Baojun Cheng, Xiaowei Gu, Haoyue Hu, Yaning Kong and Pengyu Huang
There are some limitations in the application of tuff powder as a supplementary cementitious material (SCM). Exploring its feasibility in new fields will consume a large amount of silica-alumina mine solid wastes. This study has investigated the mechanic...
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Wenhua Yuan, Lianjie Ji, Long Meng, Min Fang and Xiangchi Zhang
Pervious concrete is an innovative eco-friendly construction material. Through the application of mineral admixtures and microscopic analysis to optimize its performance and analyze its mechanisms, its traits as a sustainable building option may be furth...
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Mohammad Sadegh Tale Masoule and Ali Ghahremaninezhad
This study investigates the hydration, microstructure, autogenous shrinkage, electrical resistivity, and mechanical properties of Portland cement pastes modified with PEG-PPG triblock copolymers with varied molecular weights. The early age properties inc...
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Jinze Sun, Shujie Liu, Jiwei Zhang, Qinghao Tian, Zhijie Yu and Zuodong Xie
As a widely used material in underground engineering, clay?cement slurry grouting is known for its initial poor anti-seepage and filtration capacity, the low strength of the resulting stone body, and its tendency towards brittle failure. To explore effic...
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Sujeong Pyeon, Gyuyong Kim, Sangsoo Lee and Jeongsoo Nam
High-strength concrete (HSC) uses binders and microfillers with ultrafine particles, such as silica fume. The resulting dense internal hydration structure rapidly decreases HSC humidity, causing shrinkage cracks and affecting internal hydration. Herein, ...
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Tao He, Weiheng Xiang, Jian Zhang, Cheng Hu, Gaozhan Zhang and Bin Kou
To prepare lightweight ultra high performance concretes used in the large-span and super-tall structure engineering fields, the effects of water-binder ratio on the mechanical performances, hydration products, and microstructure of the arched shell inter...
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Rui Ma, Xun Hu, Huiying Hu, Ziyang Tian, Lei Chen and Jinyu Zong
The ultra-high-performance fiber-reinforced cementitious composite (UHPFRC) is a new generation of building material with extremely high mechanical strength and durability, which can be used for ultra-high, thin-wall or long-span construction, that prolo...
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Umer Waqas, Hafiz Muhammad Awais Rashid, Muhammad Farooq Ahmed, Ali Murtaza Rasool and Mohamed Ezzat Al-Atroush
This review paper summarizes the recent and past experimental findings to evaluate the damage characteristics of carbonate rocks subjected to thermal treatment (20?1500 °C). The outcomes of published studies show that the degree of thermal damage in the ...
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Niall Holmes, Mark Tyrer and Denis Kelliher
This paper presents a prediction of chemical shrinkage volume created during the hydration of two cements over time using a thermodynamic model. Chemical shrinkage in hydrating cements is a result of internal volume change over time within sealed conditi...
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Wenhao Zhao, Xuping Ji, Yaqing Jiang and Tinghong Pan
This work aims to study the effect of a nucleating agent on cement hydration. Firstly, the C-S-H crystal nucleation early strength agent (CNA) is prepared. Then, the effects of CNA on cement hydration mechanism, early strength enhancement effect, C-S-H c...
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